Summary
If you make $ 1,128,508 a year living in Taiwan, you will be taxed $ 126,365. That means that your net pay will be $ 1,002,143 per year, or $ 83,512 per month. Your average tax rate is 11.2% and your marginal tax rate is 13.6%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $ 100 in your salary will be taxed $ 13.55, hence, your net pay will only increase by $ 86.45.
Bonus Example
A $ 1,000 bonus will generate an extra $ 865 of net incomes. A $ 5,000 bonus will generate an extra $ 4,323 of net incomes.